7719420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{128657}}^1$

素因数の和:128669

約数の個数: 24

約数和(自身を含む): 21614544

約数和(自身を除く): 13895124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 128657, 257314, 385971, 514628, 643285, 771942, 1286570, 1543884, 1929855, 2573140, 3859710, 7719420]

約数ペア:

[(1, 7719420), (2, 3859710), (3, 2573140), (4, 1929855), (5, 1543884), (6, 1286570), (10, 771942), (12, 643285), (15, 514628), (20, 385971), (30, 257314), (60, 128657)]